BR0110657A - Processo para a preparação de ácido l-ascórbico - Google Patents

Processo para a preparação de ácido l-ascórbico

Info

Publication number
BR0110657A
BR0110657A BR0110657-0A BR0110657A BR0110657A BR 0110657 A BR0110657 A BR 0110657A BR 0110657 A BR0110657 A BR 0110657A BR 0110657 A BR0110657 A BR 0110657A
Authority
BR
Brazil
Prior art keywords
ascorbic acid
preparation
solvent
keto
gulonate
Prior art date
Application number
BR0110657-0A
Other languages
English (en)
Inventor
Andreas Boettcher
Wolfram Burst
Original Assignee
Basf Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Publication of BR0110657A publication Critical patent/BR0110657A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62Three oxygen atoms, e.g. ascorbic acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/02Nutrients, e.g. vitamins, minerals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Diabetes (AREA)
  • Hematology (AREA)
  • Obesity (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nutrition Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

"PROCESSO PARA A PREPARAçãO DE áCIDO L-ASCóRBICO". A invenção refere-se a um método para a produção de ácido L-ascórbico, por meio do qual o ácido 2-ceto-L-gulónico livre ou C~ 3~-C~ 10~ alquil éster do ácido 2-ceto-L-gulónico é lactonizado sob condições ácidas, na presença de um solvente miscível em água e dito solvente produz in situ um solvente em que o ácido ascórbico é fracamente solúvel.
BR0110657-0A 2000-05-10 2001-05-03 Processo para a preparação de ácido l-ascórbico BR0110657A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10022518A DE10022518A1 (de) 2000-05-10 2000-05-10 Verfahren zur Herstellung von L-Ascorbinsäure durch Lactonisierung von 2-Keto-L-gulonsäure oder 2-Keto-L-gulonsäureestern
PCT/EP2001/004961 WO2001085711A1 (de) 2000-05-10 2001-05-03 Verfahren zur herstellung von l-ascorbinsäure durch lactonisierung von 2-keto-l-gulonsäure oder 2-keto-l-gulonsäureestern

Publications (1)

Publication Number Publication Date
BR0110657A true BR0110657A (pt) 2003-03-18

Family

ID=7641279

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0110657-0A BR0110657A (pt) 2000-05-10 2001-05-03 Processo para a preparação de ácido l-ascórbico

Country Status (12)

Country Link
US (1) US6617463B2 (pt)
EP (1) EP1280788B1 (pt)
JP (1) JP2003533452A (pt)
CN (1) CN1174972C (pt)
AT (1) ATE277030T1 (pt)
AU (1) AU5839101A (pt)
BR (1) BR0110657A (pt)
DE (2) DE10022518A1 (pt)
DK (1) DK1280788T3 (pt)
ES (1) ES2227187T3 (pt)
PT (1) PT1280788E (pt)
WO (1) WO2001085711A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004043880A2 (de) * 2002-11-11 2004-05-27 Basf Aktiengesellschaft Verfahren zur herstellung von 2-keto-l-gulonsäure-c4-c10-alkylestern
CN112724107B (zh) * 2020-12-18 2024-01-30 南京工业大学 一种α-氧代-2-呋喃基乙酸及其酯的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2185383A (en) * 1937-04-28 1940-01-02 Charles Pflzer & Company Preparation of levo-ascorbic acid
GB601789A (en) 1943-08-04 1948-05-12 Tno Process for producing ascorbic acid from derivatives of l-keto-2 gulonic acid
US2462251A (en) * 1945-05-16 1949-02-22 Merck & Co Inc Process for preparing ascorbic acids
CH490368A (fr) 1968-02-01 1970-05-15 Politechnika Slaska Im Wincent Procédé de production de vitamine C
DD141832A1 (de) * 1978-10-31 1980-05-21 Joachim Schmidt Verfahren und vorrichtung zur herstellung von l-ascorbinsaeure
JPS58177986A (ja) 1982-04-09 1983-10-18 Shionogi & Co Ltd L−アスコルビン酸の製造方法
CN86105960A (zh) 1985-08-09 1987-05-13 鲁布里佐尔公司 在基本无水条件下从2-酮-l-古洛糖酸制备l-抗坏血酸
JPH086662B2 (ja) 1989-02-10 1996-01-29 日野自動車工業株式会社 ディーゼルエンジンのカーボンフラワー除去装置
FR2648136B1 (fr) 1989-06-12 1994-06-17 Rhone Poulenc Sante Procede de preparation de l'acide ascorbique
EP0671405A1 (de) 1994-01-18 1995-09-13 F. Hoffmann-La Roche Ag Herstellung von 2-Keto-L-gulonsäureestern
DE19547073C1 (de) 1995-12-16 1996-11-14 Merck Patent Gmbh Verfahren zur Herstellung von Ascorbinsäure
EP1000050A1 (de) * 1997-07-16 2000-05-17 Enco Engineering Chur Ag Verfahren zur herstellung von ascorbat
DE19734086C1 (de) * 1997-08-07 1998-08-13 Merck Patent Gmbh Verfahren zur Herstellung von L-Ascorbinsäure

Also Published As

Publication number Publication date
AU5839101A (en) 2001-11-20
EP1280788B1 (de) 2004-09-22
JP2003533452A (ja) 2003-11-11
US20030100771A1 (en) 2003-05-29
DK1280788T3 (da) 2004-10-18
EP1280788A1 (de) 2003-02-05
US6617463B2 (en) 2003-09-09
DE10022518A1 (de) 2001-11-15
CN1174972C (zh) 2004-11-10
ATE277030T1 (de) 2004-10-15
DE50103770D1 (de) 2004-10-28
PT1280788E (pt) 2005-02-28
WO2001085711A1 (de) 2001-11-15
ES2227187T3 (es) 2005-04-01
CN1427833A (zh) 2003-07-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO DA RPI 2016 DE 25/08/2009.